Not identified. London directories of the 1850s list (aside from tradesmen named W. H. Clarke) the following: William Henry Clarke, Esq., accountant, Clement's Inn; William Henry Clarke, Esq., Eaton Place; William Henry Clarke, Esq. (listed also as Clark), North Brixton; William Henry Clarke, Esq. (listed in 1860 directory as William Hender Clarke), Islington; and William Hislop Clarke, Esq., barrister, with chambers in Lincoln's Inn. Payment for the first contribution made by cheque.

Author: Anne Lohrli; © University of Toronto Press, 1973.